CN208142932U - Wireless charging transmitting terminal and wireless charger - Google Patents
Wireless charging transmitting terminal and wireless charger Download PDFInfo
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- CN208142932U CN208142932U CN201820460906.5U CN201820460906U CN208142932U CN 208142932 U CN208142932 U CN 208142932U CN 201820460906 U CN201820460906 U CN 201820460906U CN 208142932 U CN208142932 U CN 208142932U
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Abstract
The utility model provides a kind of wireless charging transmitting terminal and wireless charger, including：Booster circuit, inverter circuit, wireless transmission controller, wireless charging transmitting coil and communicating circuit, the booster circuit is connect with the inverter circuit, the inverter circuit is also connect with the wireless transmission controller and the wireless charging transmitting coil respectively, the wireless charging transmitting coil is also connect with the communicating circuit, and the communicating circuit is also connect with the wireless transmission controller.The utility model provides wireless charging transmitting terminal and wireless charger, can realize charging rate with higher in the case where common charger is powered, promote the charge efficiency of wireless charging transmitting terminal.
Description
Technical field
The utility model relates to wireless charging technology more particularly to wireless charging transmitting terminal and wireless chargers.
Background technique
Wireless charging technology is increasingly being applied to mobile terminal.Currently, using common charger (i.e. non-fast charge agreement
Charger) to wireless charger power when, the charging rate of wireless charger is lower.User how is set to enjoy wireless charging convenient
While improve charging rate be one of industry problem to be solved.
Utility model content
In view of this, this it is practical newly provide a kind of wireless charging transmitting terminal and wireless charger, can commonly fill
Charging rate with higher is realized in the case where electric power supply, promotes the charge efficiency of wireless charging transmitting terminal.
The utility model provides a kind of wireless charging transmitting terminal, including：Booster circuit, inverter circuit, wireless transmission control
Device, wireless charging transmitting coil and communicating circuit, the booster circuit are connect with the inverter circuit, and the inverter circuit also divides
Do not connect with the wireless transmission controller and the wireless charging transmitting coil, the wireless charging transmitting coil also with it is described
Communicating circuit connection, the communicating circuit are also connect with the wireless transmission controller.
Further, the wireless charging transmitting terminal further includes current/voltage detection circuit and connector, and the electric current/
The input terminal of voltage detecting circuit is connect with the inverter circuit and the wireless charging transmitting coil respectively, the booster circuit
It is connect with the connector.
Further, the wireless charging transmitting terminal further includes reduction voltage circuit, the input terminal of the reduction voltage circuit with it is described
Booster circuit connection, the output end of the reduction voltage circuit are connect with the wireless transmission controller.
Further, the wireless charging transmitting terminal further includes PD control device, the input terminal of the PD control device respectively with
The output end of the reduction voltage circuit and wireless transmission controller connection, the output end and the connector of the PD control device
Connection.
Further, the wireless charging transmitting terminal further includes deaccentuator, one end of the deaccentuator
It is connect with the wireless charging transmitting coil, the other end of the deaccentuator is connect with the wireless transmission controller.
Further, the wireless charging transmitting terminal further includes reduction voltage circuit, the input terminal of the reduction voltage circuit respectively with
The booster circuit and wireless transmission controller connection, the output end of the reduction voltage circuit are connect with the inverter circuit.
Further, the wireless charging transmitting terminal further include adjust circuit, it is described adjust circuit input terminal with it is described
Booster circuit connection, the output end for adjusting circuit are connect with the wireless transmission controller.
Further, the wireless charging transmitting terminal further includes PD control device, the input terminal of the PD control device respectively with
The output end for adjusting circuit and wireless transmission controller connection, the output end and the connector of the PD control device
Connection.
Further, the wireless charging transmitting terminal further includes voltage commutation circuit, and the voltage commutation circuit is connected to
Between the inverter circuit and the connector.
The utility model also provides a kind of wireless charger, including such as above-mentioned wireless charging transmitting terminal.
Wireless charging transmitting terminal provided by the utility model and wireless charger, by being arranged in wireless charging transmitting terminal
Booster circuit is supplied to inverter circuit after can increasing common charging voltage, can be in the case where common charger is powered
It realizes charging rate with higher, promotes the charge efficiency of wireless charging transmitting terminal.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the structural block diagram of the wireless charging transmitting terminal of the utility model first embodiment；
Fig. 2 is the structural block diagram of the wireless charging transmitting terminal of the utility model second embodiment；
Fig. 3 is the structural block diagram of the wireless charging transmitting terminal of the utility model 3rd embodiment；
Fig. 4 is the structural block diagram of the wireless charger of the utility model fourth embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar component or component with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Fig. 1 is the structural block diagram of the wireless charging transmitting terminal 20 of the utility model first embodiment.As shown in Figure 1, wireless
The transmitting terminal 20 that charges includes booster circuit 11, inverter circuit 12, wireless transmission controller 13, wireless charging transmitting coil 14 and leads to
Interrogate circuit 15.Specifically, in one embodiment, booster circuit 11 is connect with inverter circuit 12, inverter circuit 12 also respectively with
Wireless transmission controller 13 and wireless charging transmitting coil 14 connect, and wireless charging transmitting coil 14 also connects with communicating circuit 15
It connects, communicating circuit 15 is also connect with wireless transmission controller 13.
Specifically, in the present embodiment, the output end of booster circuit 11 is connect with the input terminal of inverter circuit 12, boosting electricity
The input terminal on road 11 receives the DC voltage of input, and when the DC voltage of input is common charging voltage, will commonly charge
Voltage is converted to the first fast charge voltage protocol.
Specifically, in the present embodiment, the input terminal of inverter circuit 12 also connects with the output end of wireless transmission controller 13
It connects, the output end of inverter circuit 12 is connect with the input terminal of wireless charging transmitting coil 14.Specifically, inverter circuit 12 is used to incite somebody to action
The DC voltage of input is converted to the alternating voltage of specific frequency, and by obtained AC voltages transmission to wireless charging emission lines
Circle 14.Inverter circuit 12 can be, but not limited to as full-bridge inverter (Full Bridge Inverter).
Specifically, in the present embodiment, one end of communicating circuit 15 is connect with wireless charging transmitting coil 14, communicating circuit
15 other end is connect with wireless transmission controller 13, is communicated with realizing with external charging equipment, realization to outside to
Charging equipment charges.
Specifically, in one embodiment, wireless charging transmitting terminal 10 further includes a LED (not shown go out), LED and wireless
Transmission control unit (TCU) 13 connects, to indicate charged state.
Specifically, wireless charging transmitting terminal provided in this embodiment, by the way that boosting electricity is arranged in wireless charging transmitting terminal
Road is supplied to inverter circuit after can increasing common charging voltage, and tool can be realized in the case where common charger is powered
There is higher charging rate, promotes the charge efficiency of wireless charging transmitting terminal.
Fig. 2 is the structural block diagram of the wireless charging transmitting terminal 20 of the utility model second embodiment.As shown in Fig. 2, this reality
It applies the difference of wireless charging transmitting terminal 10 that the wireless charging transmitting terminal 20 of example offer is provided with first embodiment to be, wireless charging
Electric transmitting terminal 20 further includes current/voltage detection circuit 16 and connector 17.Specifically, current/voltage detection circuit 16 is defeated
Enter end to connect with inverter circuit 12 and wireless charging transmitting coil 14 respectively, booster circuit 11 is connect with connector 17.
Specifically, in one embodiment, the current detecting end of current/voltage detection circuit 16 and inverter circuit 12 is defeated
Outlet connection, the voltage detection terminal of current/voltage detection circuit 16 are connect with the output end of wireless charging transmitting coil 14, electricity
The output end of stream/voltage detecting circuit 16 is connect with wireless transmission controller 13.Specifically, current/voltage detection circuit 16 is used
Duty ratio width is adjusted in handling according to current detection value and voltage detecting value.
Specifically, in one embodiment, the input terminal of booster circuit 11 is connect with connector 17, to receive connector 17
The DC voltage of transmission.
Specifically, in one embodiment, connector 17 can be Lightning connector, Micro USB connector or
Type-C connector, but it is not limited to this, such as connector 17 can also be other types connector.
Specifically, in the present embodiment, wireless charging transmitting terminal 20 further includes reduction voltage circuit 22 and PD control device 24.Specifically
The input terminal on ground, reduction voltage circuit 22 is connect with booster circuit 11, and the output end and wireless transmission controller 13 of reduction voltage circuit 22 connect
It connects.The input terminal of PD control device 24 is connect with the output end of reduction voltage circuit 22 and wireless transmission controller 13 respectively, PD control device
24 output end is connect with connector 17.
Specifically, in one embodiment, PD control device 24 is used for power source path management.Reduction voltage circuit 22 is used for basis
The demand of load is received, duty ratio width is adjusted, to realize to the big minor adjustment of the power output of wireless charging transmitting terminal 20.
Specifically, wireless charging transmitting terminal provided in this embodiment, by the way that boosting electricity is arranged in wireless charging transmitting terminal
Road is supplied to inverter circuit after can increasing common charging voltage, and tool can be realized in the case where common charger is powered
There is higher charging rate, promote the charge efficiency of wireless charging transmitting terminal, and by reduction voltage circuit to adjust in a manner of duty ratio
The output power of wireless charging transmitting terminal is adjusted, to support the fast charge of Huawei, millet and three magnitude mobile phones.
Fig. 3 is the structural block diagram of the wireless charging transmitting terminal 30 of the utility model 3rd embodiment.As shown in figure 3, this reality
The difference for applying the wireless charging transmitting terminal 10 that the wireless charging transmitting terminal 30 of offer is provided with first with first embodiment is, nothing
Line charge electricity transmitting terminal 30 further includes current/voltage detection circuit 16 and connector 17.Specifically, current/voltage detection circuit 16
Input terminal connect respectively with inverter circuit 12 and wireless charging transmitting coil 14, booster circuit 11 is connect with connector 17.
Specifically, in one embodiment, the current detecting end of current/voltage detection circuit 16 and inverter circuit 12 is defeated
Outlet connection, the voltage detection terminal of current/voltage detection circuit 16 are connect with the output end of wireless charging transmitting coil 14, electricity
The output end of stream/voltage detecting circuit 16 is connect with wireless transmission controller 13.Specifically, current/voltage detection circuit 16 is used
It handles to obtain constant frequency pressure regulating amplitude according to current detection value and voltage detecting value.
Specifically, in one embodiment, the input terminal of booster circuit 11 is connect with connector 17, to receive connector 17
The DC voltage of transmission.
Specifically, in one embodiment, connector 17 can be Lightning connector, Micro USB connector or
Type-C connector, but it is not limited to this, such as connector 17 can also be other types connector.
Specifically, in the present embodiment, wireless charging transmitting terminal 30 further includes deaccentuator 31.Specifically, frequency
One end of correcting circuit 31 is connect with wireless charging transmitting coil 14, and the other end of deaccentuator 31 and wireless transmission control
Device 13 connects.Specifically, deaccentuator 31 is used to correct the working frequency of wireless charging transmitting terminal 30.
Specifically, in the present embodiment, wireless charging transmitting terminal 30 further includes reduction voltage circuit 32, adjusts circuit 34 and PD control
Device 36 processed.Specifically, the input terminal of reduction voltage circuit 32 is connect with booster circuit 11 and wireless transmission controller 13 respectively, decompression electricity
The output end on road 32 is connect with inverter circuit 12.The input terminal for adjusting circuit 34 is connect with booster circuit 11, adjusts circuit 34
Output end is connect with wireless transmission controller 13.The input terminal of PD control device 36 respectively with the output end that adjusts circuit 34 and wireless
Transmission control unit (TCU) 13 connects, and the output end of PD control device 36 is connect with connector 17.
Specifically, in the present embodiment, reduction voltage circuit 32 is used to carry out dynamic electric voltage tune according to the demand for receiving load
Section changes according to load and is changed so that inverter circuit 12 receives DC voltage.Circuit 34 is adjusted to be used for according to reception
The demand of load adjusts voltage amplitude under fixed frequency, to realize to the big ditty of the power output of wireless charging transmitting terminal 30
Section.PD control device 36 is used for power source path management.
Specifically, in the present embodiment, wireless charging transmitting terminal 30 further includes voltage commutation circuit (not shown go out), voltage
Switching circuit is connected between inverter circuit 12 and connector 17.Specifically, the input terminal of voltage commutation circuit and connector 17
Output end connection, to receive DC voltage.The output end of voltage commutation circuit respectively with the input terminal and drop of booster circuit 11
The input terminal of volt circuit 32 connects.
Specifically, in one embodiment, when the DC voltage that voltage commutation circuit receives is common charging voltage,
Received DC voltage is transmitted to booster circuit 11 by voltage commutation circuit, and booster circuit 11 rises the common charging voltage
It is supplied to reduction voltage circuit 32 after pressure, adjusts circuit 34 or inverter circuit 12.When the DC voltage that voltage commutation circuit receives is
Second fast charge voltage protocol, voltage commutation circuit by the second fast charge voltage protocol be supplied to reduction voltage circuit 32, adjust circuit 34 or
Inverter circuit 12.
Specifically, in the present embodiment, voltage commutation circuit may include that controller (not shown go out) and selection switch (are schemed not
It shows).Selection switch can be controlled by controller.Selection switch and booster circuit 11 form a branch, are series at wireless charging
Between the input voltage of device and the power input of inverter circuit 12.Controller is connected to wireless charger in another branch
Between output voltage and the power input of inverter circuit 12.When the input voltage of wireless charger is common charging voltage, control
Device control selections switch conduction processed, the boost charge voltage after booster circuit 11 boosts to common charging voltage are provided to
Inverter circuit 12.In the present embodiment, which can be according to back-end circuit changes in demand, also referred to as the first fast charge association
Discuss voltage.When the input voltage of wireless charger is the second fast charge voltage protocol, the switch cut-off of controller control selections, and to inverse
Power transformation road 12 exports the second fast charge voltage protocol, changes inverter circuit 12 and is powered by the second fast charge voltage protocol.
It should be noted that above-mentioned voltage commutation circuit can be used for the nothing that first embodiment and second embodiment provide
In line charge electricity transmitting terminal 10,20.
Specifically, wireless charging transmitting terminal provided in this embodiment, by the way that boosting electricity is arranged in wireless charging transmitting terminal
Road is supplied to inverter circuit after can increasing common charging voltage, and tool can be realized in the case where common charger is powered
There is higher charging rate, promotes the charge efficiency of wireless charging transmitting terminal, and pass through reduction voltage circuit, adjusting circuit and frequency school
Positive circuit adjusts the output power of wireless charging transmitting terminal in a manner of determining frequency modulation section voltage amplitude, to support iPhone
Fast charge.
Fig. 4 is the structural block diagram of the wireless charger 100 of the utility model fourth embodiment.As shown in figure 4, the present embodiment
The wireless charger 100 of offer includes wireless charging transmitting terminal 120 and wireless charging receiving terminal 130.
Specifically, in the present embodiment, the specific structure of wireless charging transmitting terminal 120 please refers to as shown in Figure 1 to Figure 3
The specific descriptions of wireless charging transmitting terminal 10,20,30 in embodiment, details are not described herein.
Specifically, in the present embodiment, connector 17 is used to connect external charger 110.In one embodiment,
Charger 110 includes that can convert external communication voltage to the rectification circuit (not shown go out) of DC voltage and be supplied by DC voltage
Another aerial lug of electricity.Preferably, rectification circuit can be full bridge rectifier, external communication voltage for example can be
220V mains AC, aerial lug can be USB Type C socket connector, be input to the direct current of aerial lug
Pressure can be the such as less than DC voltage of 20V after being depressured to the DC voltage of rectification circuit output.Charger 110 can
To be fast charge agreement charger, such as the different grades of second fast charge voltage protocol such as can export 5V, 9V, 14.5V and 20V.
The second fast charge voltage protocol in the present embodiment can be high pass QC2.0/3.0 voltage protocol, USB power transmission (Power
Delivery, PD) 2.0/3.0 voltage protocol or other fast charge voltage protocols.Charger 110 is also possible to common charger, defeated
The common charging voltage of such as 5V out.
In one implementation, connector 17 can be Lightning connector, and aerial lug can be USB Type C
Socket connector, connector 17 can be connect via crossover sub with aerial lug.It is appreciated that the utility model is not limited to
This, above-mentioned connector be also possible to can mutually matched other kinds of connector, alternatively, crossover sub can also not needed,
Connector 17 is set directly to be cooperatively connected with aerial lug.
Specifically, in the present embodiment, wireless charging receiving terminal 130 include wireless charging receiving coil (not shown go out),
Rectification and voltage regulator circuit (not shown go out).
Specifically, the wireless charging of the wireless charging receiving coil of wireless charging receiving terminal 130 and wireless charging transmitting terminal 120
Electric 14 electromagnetic coupling of transmitting coil, to receive the wireless charging that the wireless charging transmitting coil 14 of wireless charging transmitting terminal 120 emits
Electric signal, induction produce an alternating voltage.Rectification and voltage regulator circuit may include bridge rectifier, can be by wireless charging
The alternating voltage that the wireless charging receiving coil of electric receiving end 130 generates is converted to DC voltage.Preferably, rectification and voltage tune
Economize on electricity road may also include voltage regulator circuit and filter circuit, to produce stable particular size from the DC voltage converted out
DC voltage.The DC voltage that rectification and voltage regulator circuit export can be used as power supply and charge to charging equipment.
Charging equipment can be preferably mobile terminal, such as mobile phone, tablet computer etc..In a preferred embodiments,
Charging equipment is mobile phone, tablet computer or other intelligent terminals of apple, and wireless charging receiving terminal 130 can set connector, compared with
Good is Lightning male seat connector, and the Lightning that Lightning male seat connector can be inserted into apple intelligent terminal is female
Base connector charges to intelligent terminal.It is appreciated that the connector of wireless charging receiving terminal 130 is also possible to other types
Connector 17.
In preferably realizing at one, wireless charging receiving terminal 130 can be equipped with rechargeable battery.Wireless charging receiving coil
When receiving wireless charging signal, while charging to charging equipment, it can also power to rechargeable battery.If wireless charging
Receiving coil does not receive wireless charging signal, then can be charged by rechargeable battery to charging equipment.
In preferably realizing at one, wireless charging receiving terminal 130 is arranged to be attached in the rear shell of mobile terminal
Back splint battery type charger.
In addition, wireless charging receiving terminal 130 may alternatively be integrated within inside charging equipment.
It is appreciated that wireless charger 100 further includes communications portion, for according to respective protocol and external charger and to
Charging equipment is communicated.
Specifically, wireless charger provided by the embodiment of the utility model is risen by being arranged in wireless charging transmitting terminal
Volt circuit is supplied to inverter circuit after can increasing common charging voltage, can be real in the case where common charger is powered
Existing charging rate with higher, promotes the charge efficiency of wireless charging transmitting terminal.In addition, the nothing in the utility model embodiment
Line charge electric appliance can support common charger and fast charge agreement charger to power simultaneously, it may have preferable versatility.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation
The description of example ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example
Particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model.At this
In specification, schematic expression of the above terms be may not refer to the same embodiment or example.Moreover, description is specific
Feature, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (10)
1. a kind of wireless charging transmitting terminal, which is characterized in that the wireless charging transmitting terminal includes：Booster circuit, inverter circuit,
Wireless transmission controller, wireless charging transmitting coil and communicating circuit, the wireless charging transmitting coil and the communicating circuit
Connection, the communicating circuit are also connect with the wireless transmission controller；
The output end of the booster circuit is connect with the input terminal of the inverter circuit, the input terminal of the inverter circuit also with institute
State the output end connection of wireless transmission controller, the input of the output end of the inverter circuit and the wireless charging transmitting coil
End connection；
The wireless charging transmitting terminal further includes current/voltage detection circuit and connector；
The current detecting end of the current/voltage detection circuit is connect with the output end of the inverter circuit, the current/voltage
The voltage detection terminal of detection circuit is connect with the output end of the wireless charging transmitting coil, the current/voltage detection circuit
Output end connect with the wireless transmission controller；
The input terminal of the booster circuit is connect with the connector, to receive the DC voltage of the connector transmission.
2. wireless charging transmitting terminal as described in claim 1, which is characterized in that the inverter circuit is full-bridge inverter.
3. wireless charging transmitting terminal as described in claim 1, which is characterized in that the wireless charging transmitting terminal further includes decompression
Circuit, the input terminal of the reduction voltage circuit are connect with the booster circuit, the output end of the reduction voltage circuit and the wireless biography
Defeated controller connection.
4. wireless charging transmitting terminal as claimed in claim 3, which is characterized in that the wireless charging transmitting terminal further includes PD control
The input terminal of device processed, the PD control device is connect with the output end of the reduction voltage circuit and the wireless transmission controller respectively,
The output end of the PD control device is connect with the connector.
5. wireless charging transmitting terminal as described in claim 1, which is characterized in that the wireless charging transmitting terminal further includes frequency
Correcting circuit, one end of the deaccentuator are connect with the wireless charging transmitting coil, the deaccentuator
The other end is connect with the wireless transmission controller.
6. wireless charging transmitting terminal as claimed in claim 5, which is characterized in that the wireless charging transmitting terminal further includes decompression
Circuit, the input terminal of the reduction voltage circuit are connect with the booster circuit and the wireless transmission controller respectively, the decompression
The output end of circuit is connect with the inverter circuit.
7. wireless charging transmitting terminal as claimed in claim 6, which is characterized in that the wireless charging transmitting terminal further includes adjusting
Circuit, the input terminal for adjusting circuit are connect with the booster circuit, the output end for adjusting circuit and the wireless biography
Defeated controller connection.
8. wireless charging transmitting terminal as claimed in claim 7, which is characterized in that the wireless charging transmitting terminal further includes PD control
Device processed, the input terminal of the PD control device are connect with the output end for adjusting circuit and the wireless transmission controller respectively,
The output end of the PD control device is connect with the connector.
9. wireless charging transmitting terminal as described in claim 1, which is characterized in that the wireless charging transmitting terminal further includes voltage
Switching circuit, the voltage commutation circuit are connected between the inverter circuit and the connector.
10. a kind of wireless charger, which is characterized in that emit including wireless charging as claimed in any one of claims 1-9 wherein
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820460906.5U CN208142932U (en) | 2018-04-02 | 2018-04-02 | Wireless charging transmitting terminal and wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820460906.5U CN208142932U (en) | 2018-04-02 | 2018-04-02 | Wireless charging transmitting terminal and wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208142932U true CN208142932U (en) | 2018-11-23 |
Family
ID=64290972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820460906.5U Active CN208142932U (en) | 2018-04-02 | 2018-04-02 | Wireless charging transmitting terminal and wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208142932U (en) |
-
2018
- 2018-04-02 CN CN201820460906.5U patent/CN208142932U/en active Active
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